Bias, Order

January 22, 2020

A type of bias that occurs when participants are influenced by or favor an item due to its position in a sequence or list. Also refers to questions in a survey or research protocol that can influence how participants respond to questions that come after it. Order bias can be mitigated by rotating or randomizing answer choices. Also referred to as “Bias, List Order,” “Bias, Position” and “Bias, Sequence.”